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Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is a colorless, odorless phosphorus-containing solid, and inorganic compound with the chemical formula H 3 P O 4.
Stepwise dissociation constants are each defined for the loss of a single proton. The constant for dissociation of the first proton may be denoted as K a1 and the constants for dissociation of successive protons as K a2, etc. Phosphoric acid, H 3 PO 4, is an example of a polyprotic acid as it can lose three protons.
Dissociation of pyrophosphoric acid H 4 P 2 O 7 generates four anions, [H 4−k P 2 O 7] k−, where the charge k ranges from 1 to 4. The last one is pyrophosphate [P 2 O 7 ] 4− . The pyrophosphates are mostly water-soluble.
In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid.It most commonly means orthophosphate, a derivative of orthophosphoric acid, a.k.a. phosphoric acid H 3 PO 4.
Dissociation in chemistry is a general process in which molecules (or ionic compounds such as salts, or complexes) separate or split into other things such as atoms, ...
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Acid strength is the tendency of an acid, symbolised by the chemical formula HA, to dissociate into a proton, H +, and an anion, A −.The dissociation or ionization of a strong acid in solution is effectively complete, except in its most concentrated solutions.
Hypophosphorous acid (HPA), or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H 3 PO 2.It is a colorless low-melting compound, which is soluble in water, dioxane and alcohols.